Answer: The first sentence
Answer:
this is a dangling modifier
Explanation:
The modifier is in the wrong place. When you read it, it sounds like the actual book was running, which it obviously can’t do. Additionally, if the book isn’t running, then who is running? there is no subject for this modifier. therefore, the answer is a dangling modifier.
Green is an adjective in the first one, so put it as a noun. "Green is the mixture of blue and yellow."